Pith Number

pith:YU7WBE2K

pith:2025:YU7WBE2KTJ7KQGHH32AP5V67X4

not attested not anchored not stored refs pending

Entangled Schr\"odinger cat states, vacuum projector and Bell-CHSH inequality

S. P. Sorella

arxiv:2501.03960 v2 · 2025-01-07 · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YU7WBE2KTJ7KQGHH32AP5V67X4}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T09:58:28.472868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c53f60934a9a7ea818e7de80fed7dfbf391b77f6e04911dea00a38263587dd97

Aliases

arxiv: 2501.03960 · arxiv_version: 2501.03960v2 · doi: 10.48550/arxiv.2501.03960 · pith_short_12: YU7WBE2KTJ7K · pith_short_16: YU7WBE2KTJ7KQGHH · pith_short_8: YU7WBE2K

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/YU7WBE2KTJ7KQGHH32AP5V67X4 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: c53f60934a9a7ea818e7de80fed7dfbf391b77f6e04911dea00a38263587dd97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8bf832eec01db1d303f8b3c55f6538927734f3821907e8aed50a6a6f7336fd4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-01-07T17:49:14Z",
    "title_canon_sha256": "b8ebd19db99defb55ec5fd079f2f631bc1ffcec9416468635e788c099bee87df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.03960",
    "kind": "arxiv",
    "version": 2
  }
}